What it means

1. adjective a part or voice or instrument or orchestra section lower in pitch than or subordinate to the first
   “second flute”
2. adjective coming next after the first in position in space or time or degree or magnitude
3. noun a speech seconding a motion
   “do I hear a second?”
4. noun the official attendant of a contestant in a duel or boxing match
5. noun a 60th part of a minute of arc
   “the treasure is 2 minutes and 45 seconds south of here”
6. noun following the first in an ordering or series
   “he came in a close second”
7. noun 1/60 of a minute
8. noun the fielding position of the player on a baseball team who is stationed near the second of the bases in the infield
9. noun merchandise that has imperfections
10. noun the gear that has the second lowest forward gear ratio in the gear box of a motor vehicle
    “he had to shift down into second to make the hill”
11. noun a particular point in time
    “the moment he arrived the party began”
12. noun an indefinitely short time
    “wait just a moment”